Are repairs and maintenance costs for FFVs any different than they are for gasoline?

Response:

No! In fact, studies and analysis currently underway indicate that a vehicle operating on E85 runs both cleaner from the exhaust emission aspect and in regard to the engine operation/performance. While these studies are not yet completed, evidence exists that some maintenance costs may actually be reduced in the long run.

During current model years, DaimlerChrysler does require the use of a special motor oil to operate vehicles it produces on E85. Both GM and Ford allow their E85 vehicles to be operated on the same motor oils used in gasoline-only operation and at the same oil change frequency.